body{
    background-image: url("images/bbbefb51f8198618b654e23e48ed2e738ad4e69a.jpg");
    background-size: cover;
}
img{
    width: 850px;
    height: 500px;
}
#dropbox {
    display: none;
    margin: 15px;
    width: 600px;
    height: 300px;
    outline: 5px solid gray;
}
.photo{
    width: 900px;
    height: 550px;
    border: 1px solid #555555;
    margin: auto auto;
    position: relative;
    background: #ffffff;
    box-shadow: 0 10px 80px rgba(0,0,0,.6)
}
.photo input{
    display: none;
}
.image{
    position: absolute;
    top: 0px;
    left: 0px;
    width: 800px;
    height: 450px;
    margin: 25px 25px;
    transform: scale(0);
    opacity: 0;
    transition: all 0.7s;
}

.nav label{
    width: 150px;
    height: 500px;
    margin: 25px 25px;
    position: absolute;
    z-index: 10;
    opacity: 0;
    display: none;
    cursor: pointer;
    transition: opacity 0.2s;
    color: #ffffff;
    font-size: 50px;
    line-height: 450px;
    text-align: center;
    text-shadow: 0 0 15px #555555
}
.leftjianbian{
    background: linear-gradient(right , rgba(250, 242, 239,0) 1% , rgba(158, 148, 166,0.5) 100%);
    background: -o-linear-gradient(right , rgba(250, 242, 239,0) 1% , rgba(158, 148, 166,0.5) 100%);
    background: -ms-linear-gradient(right , rgba(250, 242, 239,0) 1% , rgba(158, 148, 166,0.5) 100%);
    background: -moz-linear-gradient(right , rgba(250, 242, 239,0) 1% , rgba(158, 148, 166,0.5) 100%);
    background: -webkit-linear-gradient(right , rgba(250, 242, 239,0) 1% , rgba(158, 148, 166,0.5) 100%);
}
.rightjianbian{
    background: linear-gradient(left , rgba(250, 242, 239,0) 1% , rgba(158, 148, 166,0.5) 100%);
    background: -o-linear-gradient(left , rgba(250, 242, 239,0) 1% , rgba(158, 148, 166,0.5) 100%);
    background: -ms-linear-gradient(left , rgba(250, 242, 239,0) 1% , rgba(158, 148, 166,0.5) 100%);
    background: -moz-linear-gradient(left , rgba(250, 242, 239,0) 1% , rgba(158, 148, 166,0.5) 100%);
    background: -webkit-linear-gradient(left , rgba(250, 242, 239,0) 10% , rgba(158, 148, 166,0.5) 100%);
}
.image:hover + .nav label{
    opacity: 0.5;
}
.nav label:hover{
    opacity: 1;
}
.nav .down{
    right: 0;
}
input:checked + .control .image{
    opacity: 1;
    transform: scale(1);
    transition: all 1s;
}
input:checked + .control .nav label{
    display: block;
}
.dots{
    width:100%;
    height: 20px;
    position: absolute;
    bottom: 30px;
    text-align: center;
}
.dot{
    width: 10px;
    height: 10px;
    margin: 0px 5px;
    border-radius: 50%;
    position: relative;
    display: inline-block;
    background: rgba(0,0,0,0.3);
}
input#img1:checked ~ .dots label#dot1,
input#img2:checked ~ .dots label#dot2,
input#img3:checked ~ .dots label#dot3,
input#img4:checked ~ .dots label#dot4,
input#img5:checked ~ .dots label#dot5,
input#img6:checked ~ .dots label#dot6{
    background: rgba(0,0,0,0.7);
}
           .page-header {
                  padding: 20px 30px;
                  overflow: hidden;
                  }
           .page-header .brand{
                  color: white;
                  text-decoration: none;
                  float: left;
                 }              
            body {
                  background: linear-gradient(135deg, #3023AE, #C86DD7);
                  background-attachment: fixed;
                  font-size: 15px;
                 }
           .panel {
                  margin: 120px auto 60px;
                  text-align: center;
                  background-color: white;
                  width: 500px;
                  border-radius: 10px;  /* 设置圆角 */
                  padding: 1px;
                  transition: box-shadow .30s;
                  }
           .panel:hover{
                  box-shadow: #fff 5px 5px 25px;
                  }
           .tags{
                 margin-top: 50px;
                 margin-bottom: 20px;
                 color: #999;
                }
           .tag{
                 margin: 0 15px;
               }
           .tag:before{
                content: '#'
              }    